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Reference type: Journal
Authors: Yan HY, Wang MY, Han YH, Qiao FX, Row KY
Article Title: Hybrid molecularly imprinted polymers synthesized with 3-aminopropyltriethoxysilane-methacrylic acid monomer for miniaturized solid-phase extraction: A new and economical sample preparation strategy for determination of acyclovir in urine.
Publication date: 2014
Journal: Journal of Chromatography A
Volume: 1346
Page numbers: 16-24.
DOI: 10.1016/j.chroma.2014.04.045
Alternative URL: http://www.sciencedirect.com/science/article/pii/S002196731400613X

Abstract: The miniaturized molecularly imprinted solid-phase extraction (mini-MISPE) coupled with high-performance liquid chromatography was proposed for the determination of acyclovir in urine. 1.5-mL tapered plastic centrifuge tube filled with hybrid molecularly imprinted polymers (HMIPs) was used as the cartridge of mini-MISPE, and the HMIPs synthesized with 3-aminopropyltriethoxy silane-methacrylic acid as monomer exhibited good recognition and selectivity for acyclovir. Under the optimized condition, good linear calibration was obtained in a range of 0.5-15 μg mL-1 with the correlation coefficient of 0.9994, and the recoveries at three spiked levels were 91.6-103.3% in urine with the relative standard deviation (RSD) of 3.5%. Excellent intra-day and inter-day repeatability were achieved with RSD of 2.6% and 4.0% in three different concentrations. This method combined the advantages of HMIPs and mini-MISPE, and it could become an alternative tool for analyzing the residues of acyclovir in complex urine matrices
Template and target information: acyclovir
Author keywords: Hybrid molecularly imprinted polymers, 3-Aminopropyltriethoxysilane-methacrylic acid monomer, Miniaturized molecularly imprinted solid-phase extraction, Acyclovir, urine


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